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reduce copy/paste programming with the power of for loops.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122187 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2010-12-19 20:07:10 +00:00
parent a34b3cf953
commit e019ec168b
1 changed files with 26 additions and 41 deletions
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67
lib/Target/X86/X86ISelLowering.cpp
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@ -67,14 +67,18 @@ static TargetLoweringObjectFile *createTLOF(X86TargetMachine &TM) {
bool is64Bit = TM.getSubtarget<X86Subtarget>().is64Bit();
if (TM.getSubtarget<X86Subtarget>().isTargetDarwin()) {
if (is64Bit) return new X8664_MachoTargetObjectFile();
if (is64Bit)
return new X8664_MachoTargetObjectFile();
return new TargetLoweringObjectFileMachO();
} else if (TM.getSubtarget<X86Subtarget>().isTargetELF() ){
if (is64Bit) return new X8664_ELFTargetObjectFile(TM);
return new X8632_ELFTargetObjectFile(TM);
} else if (TM.getSubtarget<X86Subtarget>().isTargetCOFF()) {
return new TargetLoweringObjectFileCOFF();
}
if (TM.getSubtarget<X86Subtarget>().isTargetELF() ){
if (is64Bit)
return new X8664_ELFTargetObjectFile(TM);
return new X8632_ELFTargetObjectFile(TM);
}
if (TM.getSubtarget<X86Subtarget>().isTargetCOFF())
return new TargetLoweringObjectFileCOFF();
llvm_unreachable("unknown subtarget type");
}
@ -246,30 +250,15 @@ X86TargetLowering::X86TargetLowering(X86TargetMachine &TM)
// (low) operations are left as Legal, as there are single-result
// instructions for this in x86. Using the two-result multiply instructions
// when both high and low results are needed must be arranged by dagcombine.
setOperationAction(ISD::MULHS , MVT::i8 , Expand);
setOperationAction(ISD::MULHU , MVT::i8 , Expand);
setOperationAction(ISD::SDIV , MVT::i8 , Expand);
setOperationAction(ISD::UDIV , MVT::i8 , Expand);
setOperationAction(ISD::SREM , MVT::i8 , Expand);
setOperationAction(ISD::UREM , MVT::i8 , Expand);
setOperationAction(ISD::MULHS , MVT::i16 , Expand);
setOperationAction(ISD::MULHU , MVT::i16 , Expand);
setOperationAction(ISD::SDIV , MVT::i16 , Expand);
setOperationAction(ISD::UDIV , MVT::i16 , Expand);
setOperationAction(ISD::SREM , MVT::i16 , Expand);
setOperationAction(ISD::UREM , MVT::i16 , Expand);
setOperationAction(ISD::MULHS , MVT::i32 , Expand);
setOperationAction(ISD::MULHU , MVT::i32 , Expand);
setOperationAction(ISD::SDIV , MVT::i32 , Expand);
setOperationAction(ISD::UDIV , MVT::i32 , Expand);
setOperationAction(ISD::SREM , MVT::i32 , Expand);
setOperationAction(ISD::UREM , MVT::i32 , Expand);
setOperationAction(ISD::MULHS , MVT::i64 , Expand);
setOperationAction(ISD::MULHU , MVT::i64 , Expand);
setOperationAction(ISD::SDIV , MVT::i64 , Expand);
setOperationAction(ISD::UDIV , MVT::i64 , Expand);
setOperationAction(ISD::SREM , MVT::i64 , Expand);
setOperationAction(ISD::UREM , MVT::i64 , Expand);
for (unsigned i = 0, e = 4; i != e; ++i) {
MVT VT = IntVTs[i];
setOperationAction(ISD::MULHS, VT, Expand);
setOperationAction(ISD::MULHU, VT, Expand);
setOperationAction(ISD::SDIV, VT, Expand);
setOperationAction(ISD::UDIV, VT, Expand);
setOperationAction(ISD::SREM, VT, Expand);
setOperationAction(ISD::UREM, VT, Expand);
}
setOperationAction(ISD::BR_JT , MVT::Other, Expand);
setOperationAction(ISD::BRCOND , MVT::Other, Custom);
@ -314,7 +303,7 @@ X86TargetLowering::X86TargetLowering(X86TargetMachine &TM)
setOperationAction(ISD::SELECT , MVT::i1 , Promote);
// X86 wants to expand cmov itself.
setOperationAction(ISD::SELECT , MVT::i8 , Custom);
setOperationAction(ISD::SELECT , MVT::i16 , Custom);
setOperationAction(ISD::SELECT , MVT::i16 , Custom);
setOperationAction(ISD::SELECT , MVT::i32 , Custom);
setOperationAction(ISD::SELECT , MVT::f32 , Custom);
setOperationAction(ISD::SELECT , MVT::f64 , Custom);
@ -371,16 +360,12 @@ X86TargetLowering::X86TargetLowering(X86TargetMachine &TM)
setShouldFoldAtomicFences(true);
// Expand certain atomics
setOperationAction(ISD::ATOMIC_CMP_SWAP, MVT::i8, Custom);
setOperationAction(ISD::ATOMIC_CMP_SWAP, MVT::i16, Custom);
setOperationAction(ISD::ATOMIC_CMP_SWAP, MVT::i32, Custom);
setOperationAction(ISD::ATOMIC_CMP_SWAP, MVT::i64, Custom);
setOperationAction(ISD::ATOMIC_LOAD_SUB, MVT::i8, Custom);
setOperationAction(ISD::ATOMIC_LOAD_SUB, MVT::i16, Custom);
setOperationAction(ISD::ATOMIC_LOAD_SUB, MVT::i32, Custom);
setOperationAction(ISD::ATOMIC_LOAD_SUB, MVT::i64, Custom);
for (unsigned i = 0, e = 4; i != e; ++i) {
MVT VT = IntVTs[i];
setOperationAction(ISD::ATOMIC_CMP_SWAP, VT, Custom);
setOperationAction(ISD::ATOMIC_LOAD_SUB, VT, Custom);
}
if (!Subtarget->is64Bit()) {
setOperationAction(ISD::ATOMIC_LOAD_ADD, MVT::i64, Custom);
setOperationAction(ISD::ATOMIC_LOAD_SUB, MVT::i64, Custom);